package com.web.util;

import java.util.UUID;

public class EmailCode {
	public static String createEmailCode(){
		UUID uuid=UUID.randomUUID();
		return uuid.toString();
	}
	public static void main(String[] args){
		System.out.println(EmailCode.createEmailCode());
	}
	public static String getUid(String code){
		if(code==null){
			return null;
		}
		int index=code.lastIndexOf("-");
		if(index==-1){
			return null;
		}
		return code.substring(index+1);
	}
	public static String getUUID(String code){
		if(code==null){
			return null;
		}
		int index=code.lastIndexOf("-");
		if(index==-1){
			return null;
		}
		return code.substring(0,index);
	}
}
